Daily Report for 21st February 2018

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Measure Value (anomaly) Time Month cumul. Record High Record Low
Minimum Temperature 1.4 °C (-0.8) 07:21 1.3 °C (-0.9) 11.4 °C (+9.2), 2016 -1.2 °C (-3.4), 2010
Maximum Temperature 5.9 °C (-1.8) 14:32 7.1 °C (-0.2) 14.5 °C (+6.8), 2016 1.8 °C (-6.0), 2013
Mean Temperature 4.1 °C (-1.3) 4.4 °C (-0.6) 12.8 °C, 2016 1.2 °C, 2013
Minimum Humidity 73% 15:32 68% 84%, 2011 49%, 2014
Maximum Humidity 93% 07:16 92% 98%, 2010 63%, 2013
Mean Humidity 84% 82% 92%, 2010 55%, 2013
Minimum Pressure 1025 hPa 11:59 1010 hPa 1030 hPa, 2009 991 hPa, 2010
Maximum Pressure 1028 hPa 11:01 1019 hPa 1033 hPa, 2009 998 hPa, 2010
Mean Pressure 1027 hPa 1015 hPa 1032 hPa, 2009 994 hPa, 2010
Mean Wind Speed 3.8 mph (-1.3) 5.4 mph (+0.3) 12.4 mph, 2016 2.7 mph, 2010
Maximum Wind Speed 10.5 mph 13:13 14.0 mph 22.7 mph, 2016 9.4 mph, 2011
Maximum Gust 13.8 mph 22:29 21.8 mph 36.7 mph, 2016 13.5 mph, 2010
Mean Wind Direction NE
Rainfall 0.0 mm 29.4 mm (98%) 4.4 mm, 2010
Maximum Hourly Rain n/a 1.9, 2010
Maximum 10-min Rain n/a 0.8, 2010
Maximum Rain Rate n/a 16, 2010
Minimum Dew Point 0.2 °C 07:20 -1.0 °C 9.1 °C, 2016 -8.4 °C, 2013
Maximum Dew Point 2.6 °C 19:09 4.1 °C 11.0 °C, 2016 -4.5 °C, 2013
Mean Dew Point 1.6 °C 1.5 °C 9.9 °C, 2016 -6.9 °C, 2013
Measure Value Time Month cumul. Record High Record Low
Night Minimum (21-09) 1.4 °C 07:21 2.1 °C 11.4 °C, 2016 -1.2 °C, 2010
Day Maximum (09-21) 5.9 °C 14:32 6.8 °C 14.5 °C, 2016 1.7 °C, 2013
Max 10m Temp Rise 0.4 °C 09:09 0.5 °C 0.9 °C, 2009 0.1 °C, 2013
Max 1hr Temp Rise 1.8 °C 09:21 1.6 °C 2.3 °C, 2009 0.2 °C, 2013
Max 1hr Hum Rise 6% 16:32 8% 9%, 2009 2%, 2017
Max 10m Temp Fall 0.3 °C 02:09 0.4 °C 0.9 °C, 2009 0.1 °C, 2011
Max 1hr Temp Fall 0.9 °C 02:09 1.2 °C 2.0 °C, 2009 0.4 °C, 2011
Max 1hr Hum Fall 9% 09:27 9% 15%, 2015 2%, 2011
Max 10m Wind Speed 7.4 mph 13:19 10.8 mph 17.6 mph, 2016 6.6 mph, 2011
Minimum Feels-like -1.7 °C 05:49 -2.8 °C 12.3 °C, 2016 -6.1 °C, 2013
Maximum Feels-like 4.9 °C 11:18 6.1 °C 16.2 °C, 2016 0.2 °C, 2013
Mean Feels-like 1.9 °C 1.5 °C 14.0 °C, 2016 -3.2 °C, 2013
Air-frost Hrs 0 hrs 1 hrs 5 hrs, 2010 0 hrs, 2009
Measure Value (anomaly) Month cumul. Record High Record Low
Temperature Range 4.5 °C (-1.1) 5.8 °C (+0.6) 9.6 °C (+4.0), 2009 1.3 °C (-4.3), 2013
Humidity Range 20% 24% 40%, 2014 9%, 2011
Pressure Range 3 hPa 9 hPa 9 hPa, 2015 2 hPa, 2012
Measure Value [% of max] Month cumul. Record High Record Low
Sun Hours 2 [22%]60 hrs (109%) [33%] 8.6 [93%], 2009 0 [0%], 2011
Wet Hours 050 hrs (127%) [9.8%] 3, 2010 , 2009
Cloud Cover am: Hazy transitioned to Overcast
pm: Mostly Cloudy transitioned to Overcast
Events None
Comments -
Extra Comments
Issues None known
Observer Absent? Yes - observations may be unreliable
Notes
Times of extremes are computed using the midpoint of the longest continuous period at that extreme value.
Cumulative anomalies are reported according to the expected value for the month-to-date rather than month-end.
Sun hrs, Wet hrs, Cloud cover and Events are based on manual equipment/observations (entered with a delay of 1-10 days); their reliablity is questionable and they are provided for interest only.
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